RDS06ZB-M6G [BEL]
DC-DC Regulated Power Supply Module,;
| 型号： | RDS06ZB-M6G |
| 厂家： | 
BEL FUSE INC. |
| 描述： | DC-DC Regulated Power Supply Module, |
| 文件： | 总18页 (文件大小：379K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
RFS/RDS Series Data Sheet
20W SMT DC-DC Converters, 1.5 – 5 V Output
®
Applications
Features
• RoHS lead-free-solder and lead-solder-
•
•
•
•
•
Distributed power architectures
Telecommunications equipment
LAN/WAN applications
Data processing
exempted products are available
• Basic isolation
• 1500 VDC i/o electric strength test voltage
• High current density
Industrial applications
• Output overcurrent protection
• Operating temperature up to 100 °C
• Remote shutdown (primary referenced),
negative logic option available
• Output voltage adjust, positive or negative
• Low profile SMT design: 8.3 mm (RDS)
• Excellent co-planarity (within 0.1 mm)
• Safety-approved to IEC/EN 60950-1 and
UL/CSA 60950-1 2nd Ed.
Description
The RFS and RDS Series converters are low profile,
single output, DC-DC converters intended for SMT
placement and reflow soldering. The product
provides onboard conversion of standard telecom
and datacom input voltages to isolated low output
voltages. Proprietary patented manufacturing
processes with full process automation ensure
optimal product quality. These are very high
performance, cost effective converters with a very
small PCB footprint.
BCD.00017 Rev. AA, 18-Oct-2010
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RFS/RDS Series Data Sheet
20W SMT DC-DC Converters, 1.5 – 5 V Output
®
Model Selection
Model
Input
Voltage
VDC
Input
Current
A
Output
Voltage
V
Output Rated
Current
A
Output
Ripple/Noise
mVpp
Typical
Efficiency
%
RFS06ZA-M61
RFS06ZB-M61
RDS06ZB-M61 2
RFS06ZD-M61
RFS06ZE-M61
RDS05ZE-M61 2
RFS04ZG-M61
RDS04ZG-M61 2
1
36 – 75
36 – 75
36 – 75
36 – 75
363 – 75
363 – 75
363 – 75
363 – 75
0.35
0.45
0.65
0.55
0.65
0.65
0.65
0.65
1.5
1.8
1.8
2.5
3.3
3.3
5.0
5.0
6.0
6.0
6.0
6.0
6.0
5.0
4.0
4.0
70
70
75
75
75
75
50
50
77
79
80
83
85
83
87
87
For products RoHS-compliant for all 6 substances, change the suffix M6 to M6G.
For negative shutdown logic, change -M6 to -NM6 or -M6G to -NM6G
2
3
Products with Vi = 33.5 – 75 V are also available: Replace M6 by S1.
Model numbers highlighted in yellow are not recommended for new designs.
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings may cause performance degradation, adversely affect long
term reliability and cause permanent damage to the converter. Specifications apply over specified input voltage,
output load, and temperature range, unless otherwise noted.
Parameter
Conditions/Description
Min
Max
Unit
Input voltage (Vi)
Transient Input Voltage (Vit)
Continuous
Transient, 100 ms
36
75
100
VDC
VDC
Operating Case Temp. (TC)
Storage Temperature (TS)
ON/OFF Control Voltage (VRC)
At 100% load
–40
–55
–1.0
100
120
5.5
°C
°C
V
Referenced to –Vi
Environmental and Mechanical
Specifications apply over specified input voltage, output load and temperature range, unless otherwise noted.
Parameter
Conditions/Description
Min
Nom
Max
Unit
Shock
IEC68-2-27
IEC68-2-6
100
10
gn
gn
g
Sinusoidal Vibration
Weight
17
Water Washing
MTBF of RFS models
MTBF of RDS models
Standard process
Yes
N/A
h
1 453 000
1 452 000
Per Bellcore TR-NWT-000332
(100% load @25 °C, GB)
h
BCD.00017 Rev. AA, 18-Oct-2010
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RFS/RDS Series Data Sheet
20W SMT DC-DC Converters, 1.5 – 5 V Output
®
Isolation
Specifications apply over specified input voltage, output load and temperature range, unless otherwise noted.
Parameter
Conditions/Description
Min
Nom
Max
Unit
Insulation Safety Rating
Electric Strength Test Voltage
Insulation Resistance
Vi = 75 VDC
Basic
1 500
N/A
VDC
MOhm
pF
10
Insulation Capacitance
RFS models
RDS06ZB
RDS04ZG, RDS05ZE
8 200
4 700
2 200
Input Data
Specifications apply over specified input voltage, output load and temperature range, unless otherwise noted.
Parameter
Conditions/Description
Min
Nom
Max
Unit
Input Voltage (Vi)
Continuous
36
48
3
75
10
VDC
mA
Input Current when Shutdown
Vi nom, Remote Control
activated
Turn-On Input Voltage
Ramping up, Io max
32
31
30
34
33
32
36
35
34
V
Turn-Off Input Voltage RFS models
RDS models
Ramping down, Io max
Turn-On Time, RFS/RDS models
To Output Regulation Band
After Remote Control
Rise Time
300/600
30/30
5/5
ms
Input Reflected Ripple Current
Input Capacitance
Vi max, Io max
50
mApp
µF
1.4
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RFS/RDS Series Data Sheet
20W SMT DC-DC Converters, 1.5 – 5 V Output
®
Output Data
RFS06ZA: 1.5 V / 6.0 A
All specifications apply over input voltage, output load and temperature range, unless otherwise noted.
Parameter
Conditions/Description
Min
Nom
Max
Unit
Output Voltage Setpoint
Accuracy
Vo
Io
1.48
1.5
1.52
V
Vi nom, Io = 3.0 A, 25 °C
Output Current
Line Regulation
Load Regulation
Vi min – Vi max
0
6.0
30
30
A
Vi min – Vi max, 50% Io max
Vi nom, Io min – Io max
mV
mV
Dynamic Regulation
Peak Deviation
Settling Time
Output Voltage Ripple1
50 – 100% Io max load step
change.
±150
1000
mV
µs
to 1% error band
Vi min – Vi max, Io max
20 MHz Bandwidth
70
85
mVpp
Admissible Load
Capacitance
Io max, Vi nom
Vo ≤0.90 Vo nom
Vi nom, Io max
2200
200
µF
Output Current Limit
Threshold
120
% Io max
Switching Frequency
Temperature Coefficient
Trim Range
220
kHz
%Vo/°C
V
0.02
1.65
Io min – Io max, Vi min – Vi max
1.35
1
Measured with a 1 µF capacitor across the ouput pins.
Typical Characteristic Curves
Output Voltage Vs Load
Efficiency Vs Load
Vout (V)
Efficiency
90%
1.60
1.40
1.20
1.00
80%
70%
60%
50%
0.80
Vin Min
Vin Nom
Vin Max
40%
0.60
Vin Min
Vin Nom
Vin Max
30%
0.40
20%
0.20
0.00
10%
0%
Iout (A)
Iout (A)
BCD.00017 Rev. AA, 18-Oct-2010
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RFS/RDS Series Data Sheet
20W SMT DC-DC Converters, 1.5 – 5 V Output
®
RFS06ZB: 1.8 V / 6.0 A
All specifications apply over input voltage, output load and temperature range, unless otherwise noted.
Parameter
Conditions/Description
Min
Nom
Max
Unit
Output Voltage Setpoint
Accuracy
Vo
Io
1.78
1.8
1.82
V
Vi nom, Io = 3.0 A, 25 °C
Output Current
Line Regulation
Load Regulation
Vi min – Vi max
0
6.0
36
36
A
Vi min – Vi max, 50% Io max
Vi nom, Io min – Io max
mV
mV
Dynamic Regulation
Peak Deviation
Settling Time
Output Voltage Ripple1
50 – 100% Io max load step
change.
±150
1000
mV
µs
to 1% error band
Vi min – Vi max, Io max
20 MHz Bandwidth
70
85
mVpp
Admissible Load
Capacitance
Io max, Vi nom
Vo ≤0.90 Vo nom
Vi nom, Io max
2200
200
µF
Output Current Limit
Threshold
120
% Io max
Switching Frequency
Temperature Coefficient
Trim Range
220
kHz
%Vo/°C
V
0.02
1.98
Io min – Io max, Vi min – Vi max
1.62
1
Measured with a 1 µF capacitor across the ouput pins.
Typical Characteristic Curves
Output Voltage Vs Load
Efficiency Vs Load
Efficiency
90%
Vout (V)
2.00
1.80
1.60
1.40
1.20
1.00
80%
70%
60%
50%
40%
0.80
Vin Min
Vin Nom
Vin Max
30%
0.60
0.40
0.20
0.00
Vin Min
Vin Nom
Vin Max
20%
10%
0%
Iout (A)
Iout (A)
BCD.00017 Rev. AA, 18-Oct-2010
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RFS/RDS Series Data Sheet
20W SMT DC-DC Converters, 1.5 – 5 V Output
®
RDS06ZB: 1.8 V / 6.0 A
Parameter
Conditions/Description
Min
Nom
Max
Unit
Output Voltage
Setpoint Accuracy
Vo
Io
1.78
1.8
1.82
V
Vi nom, Io = 3.0 A, 25 °C
Output Current
Line Regulation
Load Regulation
Vi min – Vi max
0
6.0
36
36
A
Vi min – Vi max, 50% Io max
Vi nom, Io min – Io max
mV
mV
Dynamic Regulation
Peak Deviation
Settling Time
50 – 100% Io max load step
change.
±150
500
mV
µs
to 1% error band
Output Voltage Ripple
Vi min – Vi max, Io max
20 MHz Bandwidth
75
100
2200
200
mVpp
Admissible Load
Capacitance
Io max, Vi nom
Vo ≤0.90 Vo nom
Vi nom, Io max
µF
Output Current Limit
Threshold
120
% Io max
Switching Frequency
400
kHz
Temperature
Coefficient
0.02
1.98
%Vo/°C
Trim Range
Io min – Io max, Vi min – Vi max
1.62
V
Typical Characteristic Curves
Vout (V)
Efficiency
Output Voltage vs Load
Efficiencyvs Load
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
2,0
1,8
1,6
1,4
1,2
1,0
Vin Min
Vin Min
Vin Nom
Vin Max
0,8
Vin Nom
0,6
0,4
0,2
0,0
Vin Max
Iout (A)
Iout (A)
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RFS/RDS Series Data Sheet
20W SMT DC-DC Converters, 1.5 – 5 V Output
®
RFS06ZD: 2.5 V / 6.0 A
All specifications apply over input voltage, output load and temperature range, unless otherwise noted.
Parameter
Conditions/Description
Min
Nom
Max
Unit
Output Voltage Setpoint
Accuracy
Vo
Io
2.47
2.5
2.53
V
Vi nom, Io = 3.0 A, 25 °C
Output Current
Line Regulation
Load Regulation
Vi min – Vi max
0
6.0
50
50
A
Vi min – Vi max, 50% Io max
Vi nom, Io min – Io max
mV
mV
Dynamic Regulation
Peak Deviation
Settling Time
50 – 100% Io max load step
change.
±150
1000
mV
µs
to 1% error band
Output Voltage Ripple1
Vi min – Vi max, Io max
20 MHz Bandwidth
75
100
2200
200
mVpp
Admissible Load
Capacitance
Io max, Vi nom
Vo ≤0.90 Vo nom
Vi nom, Io max
µF
Output Current Limit
Threshold
120
% Io max
Switching Frequency
Temperature Coefficient
Trim Range
220
kHz
%Vo/°C
V
0.02
2.75
Io min – Io max, Vi min – Vi max
2.25
1
Measured with a 1 µF capacitor across the ouput pins.
Typical Characteristic Curves
Output Voltage Vs Load
Efficiency Vs Load
Vout (V)
Efficiency
90%
3.00
2.50
2.00
1.50
80%
70%
60%
50%
40%
1.00
Vin Min
30%
Vin Nom
Vin Min
Vin Nom
Vin Max
20%
Vin Max
0.50
10%
0.00
0%
Iout (A)
Iout (A)
BCD.00017 Rev. AA, 18-Oct-2010
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RFS/RDS Series Data Sheet
20W SMT DC-DC Converters, 1.5 – 5 V Output
®
RFS06ZE: 3.3 V / 6.0 A
All specifications apply over input voltage, output load and temperature range, unless otherwise noted.
Parameter
Conditions/Description
Min
Nom
Max
Unit
Output Voltage Setpoint
Accuracy
Vo
Io
3.26
3.3
3.34
V
Vi nom, Io = 3.0 A, 25 °C
Output Current
Line Regulation
Load Regulation
Vi min – Vi max
0
6.0
65
A
Vi min – Vi max, 50% Io max
mV
65
mV
Vi nom, Io min – Io max
Dynamic Regulation
Peak Deviation
Settling Time
50 – 100% Io max load step
change.
±150
500
mV
µs
to 1% error band
Output Voltage Ripple1
Vi min – Vi max, Io max
20 MHz Bandwidth
75
100
2200
200
mVpp
Admissible Load
Capacitance
Io max, Vi nom
Vo ≤0.90 Vo nom
Vi nom, Io max
µF
Output Current Limit
Threshold
120
% Io max
Switching Frequency
Temperature Coefficient
Trim Range
220
kHz
%Vo/°C
V
0.02
3.63
Io min – Io max, Vi min – Vi max
2.97
1
Measured with a 1 µF capacitor across the ouput pins.
Typical Characteristic Curves
Output Voltage Vs Load
Efficiency Vs Load
Vout (V)
Efficiency
3.50
3.00
2.50
2.00
1.50
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
Vin Min
Vin Nom
Vin Max
1.00
0.50
0.00
Vin Min
Vin Nom
Vin Max
Iout (A)
Iout (A)
BCD.00017 Rev. AA, 18-Oct-2010
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RFS/RDS Series Data Sheet
20W SMT DC-DC Converters, 1.5 – 5 V Output
®
RDS05ZE: 3.3 V / 5.0 A
All specifications apply over input voltage, output load and temperature range, unless otherwise noted.
Parameter
Conditions/Description
Min
Nom
Max
Unit
Output Voltage
Setpoint Accuracy
Vo
Io
3.26
3.3
3.34
V
Vi nom, Io = 3.0 A, 25 °C
Output Current
Line Regulation
Load Regulation
Vi min – Vi max
0
5.0
65
A
Vi min – Vi max, 50% Io max
mV
65
mV
Vi nom, Io min – Io max
Dynamic Regulation
Peak Deviation
Settling Time
50 – 100% Io max load step
change.
±150
500
mV
µs
to 1% error band
Output Voltage Ripple
Vi min – Vi max, Io max
20 MHz Bandwidth
75
100
2200
200
mVpp
Admissible Load
Capacitance
Io max, Vi nom
Vo ≤0.90 Vo nom
Vi nom, Io max
µF
Output Current Limit
Threshold
120
% Io max
Switching Frequency
400
kHz
Temperature
Coefficient
0.02
3.63
%Vo/°C
Trim Range
Io min – Io max, Vi min – Vi max
2.97
V
Typical Characteristic Curves
Vout (V)
3,5
Efficiency
(%)
Output Voltage vs Load
Efficiency vs Load
90
80
70
60
50
40
30
20
10
0
3,0
2,5
2,0
Vin Min
Vin Nom
Vin Max
Vin Min
1,5
Vin Nom
Vin Max
1,0
0,5
0,0
Iout (A)
Iout (A)
BCD.00017 Rev. AA, 18-Oct-2010
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RFS/RDS Series Data Sheet
20W SMT DC-DC Converters, 1.5 – 5 V Output
®
RFS04ZG: 5.0 V / 4.0 A
All specifications apply over input voltage, output load and temperature range, unless otherwise noted.
Parameter
Conditions/Description
Min
Nom
Max
Unit
Output Voltage Setpoint
Accuracy
Vo
Io
4.94
5.0
5.06
V
Vi nom, Io = 2.0 A, 25 °C
Output Current
Line Regulation
Load Regulation
Vi min – Vi max
0
4.0
A
Vi min – Vi max, 50% Io max
120
mV
120
mV
Vi nom, Io min – Io max
Dynamic Regulation
Peak Deviation
Settling Time
Output Voltage Ripple1
50 – 100% Io max load step
change.
±250
500
mV
µs
to 1% error band
Vi min – Vi max, Io max
20 MHz Bandwidth
50
75
mVpp
Admissible Load
Capacitance
Io max, Vi nom
Vo ≤0.90 Vo nom
Vi nom, Io max
2200
200
µF
Output Current Limit
Threshold
120
4.5
% Io max
Switching Frequency
emperature Coefficient
Trim Range
250
kHz
%Vo/°C
V
0.02
5.5
Io min – Io max, Vi min – Vi max
1
Measured with a 1 µF capacitor across the ouput pins.
Typical Characteristic Curves
Output Voltage Vs Load
Efficiency Vs Load
Vout (V)
Efficiency
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
6.00
5.00
4.00
3.00
2.00
1.00
0.00
Vin Min
Vin Nom
Vin Max
Vin Min
Vin Nom
Vin Max
Iout (A)
Iout (A)
BCD.00017 Rev. AA, 18-Oct-2010
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RFS/RDS Series Data Sheet
20W SMT DC-DC Converters, 1.5 – 5 V Output
®
RDS04ZG: 5.0 V/4.0 A
All specifications apply over input voltage, output load and temperature range, unless otherwise noted.
Parameter
Conditions/Description
Min
Nom
Max
Unit
Output Voltage
Setpoint Accuracy
Vo
Io
4.94
5.0
5.06
V
Vi nom, Io = 2.0 A, 25 °C
Output Current
Line Regulation
Load Regulation
Vi min – Vi max
0
4.0
A
Vi min – Vi max, 50% Io max
120
mV
120
mV
Vi nom, Io min – Io max
Dynamic Regulation
Peak Deviation
Settling Time
50 – 100% Io max load step
change.
±250
500
mV
µs
to 1% error band
Output Voltage Ripple
Vi min – Vi max, Io max
20 MHz Bandwidth
50
100
2200
200
mVpp
Admissible Load
Capacitance
Io max, Vi nom
Vo ≤0.90 Vo nom
Vi nom, Io max
µF
Output Current Limit
Threshold
120
4.5
% Io max
Switching Frequency
400
kHz
Temperature
Coefficient
0.02
5.5
%Vo/°C
Trim Range
Io min – Io max, Vi min – Vi max
V
Typical Characteristic Curves
Vout (V)
Efficiency
Output Voltage vs Load
Efficiency vs Load
(%)
6,0
5,0
4,0
3,0
2,0
1,0
0,0
90
80
70
60
50
Vin Min
Vin Min
Vin Nom
Vin Max
40
30
Vin Nom
Vin Max
20
10
0
Iout (A)
Iout (A)
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RFS/RDS Series Data Sheet
20W SMT DC-DC Converters, 1.5 – 5 V Output
®
Shutdown
All specifications apply over input voltage, output load, and temperature range, unless otherwise noted.
Parameter
Conditions/Description
Min
Nom
Max
Unit
RFS models (pos. logic)
Voltage source or open circuit
3.5
5.5
1.0
V
mA
– Converter ON
Sink current (Vi = Vi nom
)
1.0
–1.0
V
Shutdown pin is pulled low
– Converter OFF
RDS models
Positive logic:
– Converter ON
– Converter OFF
On/Off signal is low– converter OFF
High logic range
Shutdown pin is pulled low
2.5
–1.0
5.5
1.0
V
V
Negative logic1:
– Converter ON
– Converter OFF
On/Off signal is low– converter ON
Low logic range
Shutdown pin is pulled high
–1.0
1.0
0.25
5.5
V
V
1
Prproducts with the suffix -NM6 or -NM6G.
Temperature Derating Curves
The derating curves below give an indication of the output power achievable with and without forced-air cooling.
However in the final application, in order to ensure the reliability of the converter, care must be taken to ensure the
maximum case temperature is not exceeded under any conditions.
RFS Series:
Output Power vs Ambient Temperature and Airflow
120
100
80
60
200LFM (1 m/s)
0 LFM
40
20
0
0
10
20
30
40
50
60
70
80
90
100
110
Ambient Temp. (°C)
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RFS/RDS Series Data Sheet
20W SMT DC-DC Converters, 1.5 – 5 V Output
®
RDS Series:
Output Power vs Ambient Temperature and Airflow
(typically, Vi = 48 V)
120
100
80
60
40
20
0
0 LFM
200LFM (1 m/s)
400LFM (2 m/s)
0
10
20
30
40
50
60
70
80
90
100
Ambient Temp. (°C)
r
The user must take care to ensure that the pin
reference for the control is connected close to the –Vi
pin. The control signal must not be referenced ahead
of EMI filtering, or remotely from the converter. If the
shutdown pin is not used, it can be left open-circuit.
Application and Auxiliary Functions
These converters do not require any external
components for proper operation. However, if the
distribution of the input voltage to the converter
contains significant inductance, a capacitor across the
input terminals may be required to stabilize the input
voltage. A minimum of 1 μF, quality electrolytic or
ceramic capacitor is recommended for this purpose.
Negative Logic for RDS (suffix -NM6 or -NM6G)
The output of the converter is enabled or disabled by
means of a logic signal (TTL, CMOS, etc.) applied to
the shutdown pin. No output voltage overshoot will
occur, when the converter is turned on. If the
shutdown function is not required, the pin should be
connected with –Vi to enable the output .
For output decoupling it is recommend connecting a
1 μF ceramic capacitor directly across the output pins
of the converter.
Shutdown
Thermal Considerations
The remote control pin functions as a normal soft
shutdown. It is referenced to the –Vi pin. With positive
logic, when the shutdown pin is pulled low, the output
is turned off, and the unit goes into a very low input
power mode. RDS models are also available with a
negative shutdown logic.
The converter is designed for natural or forced
convection cooling. The output power of the converter
is limited by the maximum case temperature (Tc). To
ensure reliable long term operation of the converters,
and to comply with safety agency requirements,
Power-One limits maximum allowable case tempe-
rature (Tc) to 100 °C (see Mechanical Data).
An open collector switch is recommended to control
the voltage between the shutdown pin and the -Vi pin
of the converter. The shutdown pin is pulled up
internally, so no external voltage source is required.
The user should avoid connecting a resistor between
the shutdown pin and +Vi pin.
BCD.00017 Rev. AA, 18-Oct-2010
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RFS/RDS Series Data Sheet
20W SMT DC-DC Converters, 1.5 – 5 V Output
®
Output Current Limitation
Safety
When the output is overloaded above the maximum
output current rating, the voltage will start to reduce to
maintain the output power to a safe level. In a
condition of high overload or short-circuit where the
output voltage is pulled below approximately 30% of
Vo nom, the converter will enter a ‘hiccup’ mode of
operation. Under this condition the converter will
attempt to restart, approximately every 25 ms, until the
overload has cleared.
These converters are tested with 1500 VDC from input
to output. The input-to-output resistance is greater
than 10 MΩ. These converters are provided with Basic
Insulation between input and output. Nevertheless, if
the system using the converter needs to receive
safety agency approval, certain rules must be followed
in the design of the system. In particular, all of the
creepage and clearance requirements of the end-use
system must be observed.
Parallel Operation
In order to consider the output of the converter as
SELV (Safety Extra Low Voltage) or TNV-1, according
to IEC/EN 60950-1 and UL/CSA 60950-1, the follow-
ing requirements must be met in the system design:
Paralleling of two converters is not possible.
Output Voltage Adjust
• Fuse: As the converter has no internal fuse, an
external fuse must be provided to protect the
system from catastrophic failure. We recommend a
fuse with a rating not greater than 2.0 A. The user
can select a fuse with lower rating based upon the
maximum inrush transient and the maximum input
current at the minimum input voltage. Both input
traces and the chassis ground trace (if applicable)
must be capable of conducting a current of 1.5
times the value of the fuse without opening. The
fuse must not be placed in the grounded input line.
This feature allows the user to adjust the output
voltage Vo.
Output voltage can be adjusted using an external
resistor. To increase Vo, a resistor Rext should be
connected between pins 2 and 3. To decrease Vo, the
resistor should be connected between pins 1 and 3.
To increase Vo:
Rext = (A – (D × Vo)) / ( Vo – Vo nom) [Ω]
• If the voltage source feeding the converter is
SELV, TNV-1, or TNV-2, the output of the con-
verter is considered SELV and may be grounded or
ungrounded.
To reduce Vo:
Rext = ((B × Vo) – C) / ( Vo nom – Vo) [Ω]
Model
A
B
C
D
• The circuitry of the converter may generate
transients, which exceed the input voltage. Even if
the input voltage is SELV (<60 V), the components
on the primary side of the converter may have to
be considered as hazardous. A safety interlock
may be needed to prevent the user from accessing
the converter while operational.
RFS06ZA
1945
1470
1944
470
RFS06ZB
RDS06ZB
2590
5010
7010
1730
2516
3161
2560
5010
7010
750
1500
1500
RFS06ZD
RFS06ZE
RDS05ZE
RFS04ZG
RDS04ZG
11260
4532
11240
1500
Note: When the output voltage is trimmed up, the
output power from the converter must not exceed its
maximum rating. This is determined by measuring
the voltage on the output pins and multiplying it by
the output current.
BCD.00017 Rev. AA, 18-Oct-2010
Page 14 of 18
www.power-one.com
RFS/RDS Series Data Sheet
20W SMT DC-DC Converters, 1.5 – 5 V Output
®
Electromagnetic Susceptibility:
EMC Specifications
Standard
Applied
Stress
Class
Level
Performance
Criterion *
Conducted Noise, RFS Series
The converters meet the requirements of EN 55022
Class A and Class B for conducted noise on the input
terminals using the circuit below:
Electrostatic
Discharge
EN 61000-4-2
Electromagnetic
Field
2 kV to
pins
1
2
3
B
A
B
JM069
3 V/m
1
EN 61000-4-3
18
Electrical Fast
Transients
EN 61000-4-4
2000 Vp
to input
RFS
converter
Conducted
Disturbances
EN 61000-4-6
3 VAC to
input
2
B
17
2
* A denotes normal operation, no deviation from
specification. B denotes temporary deviation from
specification possible.
C1 = 18 nF for RFS04ZG, RFS06ZE
C1 = 27 nF for RFS06ZD, RFS06ZB, RFS06ZA
C2 = 2 µF to meet EN 55022 Class A
C2 = 7 µF to meet EN 55022 Class B
Conducted Noise, RDS Series
The converters may require a single capacitor to meet
the requirements of EN 55022 Class A for conducted
emissions on the input terminals; see the figure below.
dbµV
Conducted emissions (input pins)
80
EN55022 A QP.
70
EN55022 A AV.
60
50
40
30
20
10
0
0.1
1,E+05
1
1,E+06
1,1E+007
30
1,E+08
FREQ (MHz)
BCD.00017 Rev. AA, 18-Oct-2010
Page 15 of 18
www.power-one.com
RFS/RDS Series Data Sheet
20W SMT DC-DC Converters, 1.5 – 5 V Output
®
Mechanical Data
Dimensions in mm [inches]
Tc & pick up point
Pin 1
Tc & pick up point
Highest component
≤ 3.1 [0.122]
the manufacture of integrated circuits. It has good
corrosion resistance and exhibits the nobility inherent
to all high copper alloys. Unlike brasses, this material
is essentially immune to stress corrosion cracking. It
also exhibits excellent solderability. It is readily wetted
by solders and performs well in standard solderability
tests. (Dip of Class II or better).
Surface Mount Assembly
Soldering
The following soldering instructions must be observed
to prevent failure or significant degradation of the
converter performance. Power-One will not honor any
warranty claims arising from failure to observe these
instructions.
The product is manufactured with a patented process,
which is fully automated and ‘in-line’. This ensures
that there is no contamination or mechanical stress on
the lead-frame so that the co-planarity and
solderability are maintained.
The lead-frame is constructed for a high temperature
glass filled, UL94 V-0 flame retardant, dually ortho-
phthalate molding compound commonly used for
packaging of electronics components. It has passed
NASA outgassing tests, and is certified to MIL-M-14.
The coefficient of thermal expansion is equivalent to
FR4.
The product is shipped in JEDEC trays to ensure
preservation of the co-planarity and enable fully
automated assembly in the final application. Mind the
marking for pin 1!
The gull wing leads are formed to ensure optimal
solder joint strength and structure. Furthermore they
facilitate visual inspection (manual or automatic). The
leads are formed from a 97% Cu alloy plated with Ni
and matte Sn. This material is commonly used in
These products are approved for forced convection
reflow soldering only. Products RoHS-compliant for all
6 substances (model designation ending with G) allow
for a solder profile with higher temperatures; see
tables below.
BCD.00017 Rev. AA, 18-Oct-2010
Page 16 of 18
www.power-one.com
RFS/RDS Series Data Sheet
20W SMT DC-DC Converters, 1.5 – 5 V Output
®
Recommended Reflow Profile (measured at the leads of the converter)
Ramp to
reflow
Product
Pre-heat ramp
Pre-heat soaking
Reflow
Time within Time
Cooling
Time
above
liquidus
Peak
From
To
Rate
From
To
Time
Rate
±5 °C of
to
Rate
temp.
peak temp
peak
°C
25
°C
°C/s
2
°C
°C
s
°C
2
s
°C
s
s
°C/s
3
-M6
150
150
183
90 - 120
45
220 ±5
10
180
(Sn-Pb eutectic)
-M6G
(lead-free)
25
180
2
180
217
90 - 120
2
45
240 ±5
10
210
3
Worst Case Reflow Parameters Following J-STD-020D (measured in the center, on top side of the converter)
Ramp to
reflow
Product
Pre-heat ramp
Pre-heat soaking
Reflow
Cooling
Max. time Max.
Max. time
within ±5 °C time to Rate
temp. of peak temp. peak
Max.
Max.
time
From
To
Rate
From
To
Rate
above
peak
liquidus
°C
25
°C
°C/s
3
°C
°C
s
°C
3
s
°C
s
s
°C/s
-M6
150
100
150
120
45
230
10
360
6
(Sn-Pb eutectic)
-M6G
(lead-free)
25
180
3
150
200
120
3
45
260
10
480
6
Pick & Place Assembly
Recommended Solder Lands
The product is designed with a large flat area in the
center of the top surface to serve as a pick up point
for automated vacuum pick and place equipment.
The ‘open board’ construction of the unit ensures
that weight is kept to a minimum. However due to the
relatively large size of the component, a large nozzle
(>8 mm, depending on vacuum pressure) is
recommended for picking and placing.
Dimensions in mm [inches]
JM067
The unit may also be automatically handled using
‘odd-form’ placement equipment, with mechanical
grippers. For this type of equipment the end edges
of the device, which have no leads and also feature
the greatest dimensional accuracy, should be used
as pick-up points.
BCD.00017 Rev. AA, 18-Oct-2010
Page 17 of 18
www.power-one.com
RFS/RDS Series Data Sheet
20W SMT DC-DC Converters, 1.5 – 5 V Output
®
JEDEC Tray
322.6
JM068
3.0 Chamfer
62.1
33.3
10.56
Holding pad
315
12.19
Pin 1 (Reference corner)
311.15 +0.25 /–0.13
311.66 +0.25 /–0.13
Pinout
Pin
Designation
Function
Reference
1
2
3
+Vo
–Vo
Trim
NC
Positive output voltage
Output voltage return
Output voltage adjust
No connection
Secondary
Secondary
Secondary
Secondary
Primary
Primary
Primary
Primary
Primary
Primary
Primary
Primary
Primary
Primary
Primary
Primary
Primary
Primary
4
5
6
7
NC
NC
NC
No connection
No connection
No connection
8
9
NC
NC
NC
No connection
No connection
No connection
10
11
12
13
14
15
16
17
18
Shutdown
NC
Shutdown control. Pull low to turn unit off
No connection
NC
No connection
NC
NC
NC
No connection
No connection
No connection
–Vi
+Vi
Input voltage return
Positive input voltage
NUCLEAR AND MEDICAL APPLICATIONS - Power-One products are not designed, intended for use in, or authorized for use as critical
components in life support systems, equipment used in hazardous environments, or nuclear control systems without the express written
consent of the respective divisional president of Power-One, Inc.
TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on
the date manufactured. Specifications are subject to change without notice.
BCD.00017 Rev. AA, 18-Oct-2010
Page 18 of 18
www.power-one.com
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